rhsa-2020_2046
Vulnerability from csaf_redhat
Published
2020-05-11 09:28
Modified
2024-11-15 09:33
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.8.0. Security Fix(es): * Mozilla: Use-after-free during worker shutdown (CVE-2020-12387) * Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395) * usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831) * Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392) * Mozilla: Sender Email Address Spoofing using encoded Unicode characters (CVE-2020-12397) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "text": "An update for thunderbird is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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  "vulnerabilities": [
    {
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Mozilla Firefox and Thunderbird. When parsing and validating SCTP chunks in WebRTC a memory buffer overflow could occur leading to memory corruption and an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "usrsctp: Buffer overflow in AUTH chunk input validation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-6831",
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          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Ahmed Elsobky"
          ],
          "organization": "@0xSobky",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-12397",
      "cwe": {
        "id": "CWE-172",
        "name": "Encoding Error"
      },
      "discovery_date": "2020-05-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1832565"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird \u003c 68.8.0.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Sender Email Address Spoofing using encoded Unicode characters",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-12397"
        },
        {
          "category": "external",
          "summary": "RHBZ#1832565",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1832565"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12397",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12397"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12397",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12397"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397"
        }
      ],
      "release_date": "2020-05-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-11T09:28:32+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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            "attackVector": "NETWORK",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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          "details": "Low"
        }
      ],
      "title": "Mozilla: Sender Email Address Spoofing using encoded Unicode characters"
    }
  ]
}


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